Magni-Viewer

Something which could be a valued gift for a colleague this Christmas is the Magni-Viewer, an interesting gadget which magnifies films and TV shows on a smartphone so users do not have to hold the screen close to their nose in order to see what is going on.

Mobile camera lens kit

Affordable and enjoyable, a mobile lens kit -- which includes a variety of lenses which snap onto a smartphone or tablet's camera -- could be a great gift for co-workers with an interest in mobile photography this year.

Amazon Fire 7 tablet

If your budget is around $50, you could give your colleague an Amazon Fire 7 tablet this year.

The Amazon Fire 7 tablet is a thin, lightweight device suitable for those who want instant access to the Internet, light reading, and basic tasks. The Fire 7 sports a 7-inch display, a 1.3 GHz processor, and access to both the Alexa assistant and Amazon apps, such as the Kindle store and subscription services.

Flic

Flic is an interesting connected home gadget which would make an affordable stocking filler or Secret Santa gift this Christmas.

The button can be placed on a wall or other surfaces and, once pressed, can be programmed for a variety of purposes. One click, two, three, or hold -- each one can be selected to do anything from sending a text to someone, dim smart lights, turn streamed music up, and more.

Misfit Shine

The Misfit Shine is an affordable health and activity tracker which can be worn in many ways including as a watch, necklace, or as part of another accessory.

The tracker is able to monitor steps taken, exercise, as well as sleep patterns -- and this data can then be sent to an accompanying app for analysis and recommendations, and so could make a great and inoffensive gift for your co-worker.

Blockhead

Blockhead is an interesting gadget which snaps onto existing Apple chargers, allowing it to sit flat against a wall. The side-facing plug is a handy gift which can ensure you take out the annoyance of finding a place to charge your Apple device, especially if travel is a constant in the workplace.

Anker PowerCore 10000 power bank

When you are on the move or traveling for work, running out of juice and dead mobile devices can be a nightmare.

A useful gift this holiday season for co-workers is a power bank, such as the Anker PowerCore 10000, which can be thrown into a bag or suitcase and pulled out when needed to give smartphones and tablets juice on the go.

Roku Premiere+

The Roku Premiere+ is an update on the previous Roku streaming stick which is able to support HD and 4K Ultra HD content streaming. Roku grants access to free television channels and is also able to stream subscription-based content from providers including Netflix and Amazon Prime.

Superhubs USB hub

A small Secret Santa gift likely to prove a hit with retro gaming fans and co-workers constantly on the hunt for spare USB ports, the Superhubs USB hub is a gamepad-style hub complete with four USB slots.

Google Chromecast

A Google Chromecast could be an appreciated but affordable gift for co-workers this Christmas.

The device plugs into TV HDMI ports and is able to stream media including YouTube videos, mobile games, and apps, as well as tap into sources including Netflix, Hulu, BBC iPlayer, and other subscription services.

Bose SoundLink Micro Bluetooth speaker

For a small but quality speaker as a gift this year, you may want to consider the Bose SoundLink Micro Bluetooth speaker. Available in different colors, the mobile waterproof speaker has up to six hours' battery life on a single charge and includes a built-in speakerphone for taking calls via Apple's Siri or Google Assistant.